diff --git a/bin/sugar-activity b/bin/sugar-activity
index 1424033b..e8d9c008 100755
--- a/bin/sugar-activity
+++ b/bin/sugar-activity
@@ -114,7 +114,7 @@ def main():
     os.environ['SUGAR_BUNDLE_PATH'] = os.path.abspath(os.curdir)
 
     bundle_path = os.environ['SUGAR_BUNDLE_PATH']
-    sys.path.append(bundle_path)
+    sys.path.insert(0, bundle_path)
 
     try:
         bundle = ActivityBundle(bundle_path)